The only way to know if your tubes are causing infertility is to have them checked.
1Beverley, et al. (2018) Evaluation of Tubal Patency with a Saline-Air Device. J Reprod Med; 63(3):120-126.
What causes blocked tubes?
Blocked tubes can be caused by factors like the following:2
Sexually transmitted diseases, such as Gonorrhea or Chlamydia
Prior surgery (abdominal)
Prior ectopic pregnancy
2Khalaf, et al. (2003) ABC of Subfertility - Tubal Subfertility. BMJ; Vol 327:610-613.